// $Id: RecordingAddController.java 398 2009-06-29 13:04:54Z huijzer $

/*    
    Aoide is a web-based music catalog using the Spring Framework.
    Copyright (C) 2009  Arjan Huijzer

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

    You can contact Arjan Huijzer by sending an e-mail to huijzer@gmail.com.
*/

package org.aoide.web.controller;

import java.beans.PropertyEditor;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.List;
import java.util.UUID;

import javax.servlet.http.HttpServletRequest;

import org.aoide.core.persistence.Artist;
import org.aoide.core.persistence.ArtistDao;
import org.aoide.core.persistence.Counter;
import org.aoide.core.persistence.CounterDao;
import org.aoide.core.persistence.LabelValue;
import org.aoide.core.persistence.Recording;
import org.aoide.web.propertyeditor.ArtistEditor;
import org.aoide.web.propertyeditor.TextEditor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.propertyeditors.CustomNumberEditor;
import org.springframework.beans.propertyeditors.StringTrimmerEditor;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.ServletRequestDataBinder;
import org.springframework.web.bind.annotation.InitBinder;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;

import com.google.appengine.api.datastore.Text;

@Controller
@RequestMapping("/recordingAdd.action")
public class RecordingAddController {

	@Autowired
	private ArtistDao artistDao;
	
	@Autowired
	private CounterDao counterDao;
	
    @ModelAttribute("recording")
    public Recording formBackingObject() {
    	return new Recording();
    }
	
	@RequestMapping(method = RequestMethod.GET)
    public String setupForm(ModelMap model) {
        return "recordingAdd";
    }
	
	@RequestMapping(method = RequestMethod.POST)
	protected ModelAndView onSubmit(@ModelAttribute("recording") Recording recording, BindingResult bindingResult) throws Exception {

		Counter counter = counterDao.load("recording");
		if (counter == null) {
			// Create new counter
			counter = new Counter();
			counter.setName("recording");
			counter.setValue(1);
			counterDao.save(counter);
		} else {
			Integer value = counter.getValue();
			counter.setValue(value + 1);
			counterDao.save(counter);
		}
		
		recording.setCreated(new Date());
		recording.setUuid(UUID.randomUUID().toString());
				
		Artist artist = recording.getArtist();
		recording.setArtist(null);
		artist.getRecordings().add(recording);
		artistDao.save(artist);
		
		recording.setArtist(artist);
		
		ModelAndView mav = new ModelAndView("recordingDisplay", "recording", recording);
		
		return mav;
	}
	
	@InitBinder
	protected void initBinder(HttpServletRequest request, ServletRequestDataBinder binder) throws Exception {

		binder.registerCustomEditor(String.class, new StringTrimmerEditor(false));

		PropertyEditor editor = new CustomNumberEditor(Integer.class, true);
        binder.registerCustomEditor(Integer.class, "year", editor);
		
        PropertyEditor textEditor = new TextEditor();
        binder.registerCustomEditor(Text.class, "description", textEditor);
		        
		PropertyEditor artistEditor = new ArtistEditor(artistDao);
		binder.registerCustomEditor(Artist.class, "artist", artistEditor);
	}

	
	@ModelAttribute("artists")
	protected Collection<Artist> getArtists() throws Exception {
        Collection<Artist> artists = artistDao.loadAll();
        return artists;
	}
        
	@ModelAttribute("types")
	protected List<LabelValue> getTypes() throws Exception {
        List<LabelValue> types = new ArrayList<LabelValue>();
        types.add(new LabelValue("", ""));
        types.add(new LabelValue("Studio", "studio"));
        types.add(new LabelValue("Bootleg", "bootleg"));
        return types;
    }

}
